diff --git a/wp-includes/class-wp-customize-control.php b/wp-includes/class-wp-customize-control.php
index 66b9b2fd99..93c707d733 100644
--- a/wp-includes/class-wp-customize-control.php
+++ b/wp-includes/class-wp-customize-control.php
@@ -737,7 +737,7 @@ class WP_Customize_Upload_Control extends WP_Customize_Control {
 				<span class="customize-control-title">{{ data.label }}</span>
 			<# } #>
 			<# if ( data.description ) { #>
-				<span class="description customize-control-description">{{ data.description }}</span>
+				<span class="description customize-control-description">{{{ data.description }}}</span>
 			<# } #>
 		</label>